N54

135i, 1M, 335i, 335is, 535i, Z4 sDrive35i, Z4 sDrive35is, X6 xDrive35i, 740i

Troubleshooting New

121
1,621
121
Threads
1,621
Messages
Caught A misfire on Log
AK135i
jb4 2step doesnt hold set rpm
  • 30
    • Replies
    30
    Views
    3,464
    AK135i
    COTT3series
    XHP + MHD???
  • 17
    • Replies
    17
    Views
    3,347
    COTT3series
    COTT3series
    Does XHp have a feature to disable the kickdown switch?
  • 9
    • Replies
    9
    Views
    882
    Twisted Tuning
    A
    AD Engineering Billet/Urethane Engine Mounts Back In Stock
  • 5
    • Replies
    5
    Views
    1,131
    redbullgotwings
    N52John
    N54 Walnut Blast Before & After Dyno
  • 13
    • Replies
    13
    Views
    4,444
    ASquared
    10'135iAT
    Help build my 135i
  • 4
    • Replies
    4
    Views
    304
    10'135iAT
    Chris@VargasTurboTech
    VTT Turbo Basics: 600 WHP from your N54
  • 1
    • Replies
    1
    Views
    2,049
    [email protected]
    Chris@VargasTurboTech
    VPG 777 WHP DI ONLY
  • 90
    • Replies
    90
    Views
    7,252
    crowdedthehouse
    ysjeon1698
    MHD question
  • 18
    • Replies
    18
    Views
    1,489
    Joe
    4doorbmwpower
    (Video) CPE BMW - Idles over by the dyno @ CPE
  • 7
    • Replies
    7
    Views
    1,227
    4doorbmwpower
    Derek@MoorePerformance
    Order of upgrades? What did you do first?
  • 21
    • Replies
    21
    Views
    1,275
    De92an
    Essential MotorSports
    JB4 tuner in SoCal
  • 1
    • Replies
    1
    Views
    297
    Mike @ XPH
    N52John
    BPC N54 Motor Build
  • 18
    • Replies
    18
    Views
    2,725
    klooney
    Bigdaddyaaron
    billet coolant tank option Southwest Bimmers
  • 23
    • Replies
    23
    Views
    2,701
    [email protected]
    A
    How much power out of twin turbo upgrade?
  • 30
    • Replies
    30
    Views
    3,868
    Abacus38
    G
    ECS/Turner Catch Can
  • 11
    • Replies
    11
    Views
    1,562
    doublespaces
    Matt@znmperformance
    Damon's Pure Stage 2 335i Build by ZNM!! (Fuel-It Galore)
  • 9
    • Replies
    9
    Views
    1,421
    Twisted Tuning
    Levanime
    DP Fix alike solution for ST post turbo O2s?
  • 7
    • Replies
    7
    Views
    490
    doublespaces
    Snelson3003
    Dyno Results, Sharp Customs Port Injection Manifold.
  • 5
    • Replies
    5
    Views
    1,103
    Snelson3003
    Abacus38
    N54 Syvecs is dead
  • 36
    • Replies
    36
    Views
    4,654
    doublespaces
    Saultostado
    Single turbo requirements
  • 14
    • Replies
    14
    Views
    1,341
    doublespaces
    Xshadows
    AD-Engineering 650HP N54 Intercooler / CP Review
  • 10
    • Replies
    10
    Views
    2,747
    R.G.
    ysjeon1698
    JB4 what is duty bias?
  • 4
    • Replies
    4
    Views
    3,197
    ysjeon1698
    CKI@Motiv
    My intro to Motiv
  • 7
    • Replies
    7
    Views
    661
    DR-JEKL
    A4RingedONE8T
    - VTT Individual - /FF/ Billet Intake Manifold
  • 4
    • Replies
    4
    Views
    558
    Snelson3003
    A4RingedONE8T
    /FF/ N54 Billet Intake Manifold
  • 11
    • Replies
    11
    Views
    2,993
    Jeffman
    admin
    GIVEAWAY! #4 - ZNM Performance Chargepipe January 2017 Giveaway!
  • 29
    • Replies
    29
    Views
    2,269
    doublespaces
    ysjeon1698
    Can someone help me to understand JB4 Backend Flash?
  • 4
    • Replies
    4
    Views
    5,439
    [email protected]
    ATL-IS-N54
    Favorite pro tune OR off the shelf tune one can use with cobb AP
  • 38
    • Replies
    38
    Views
    2,761
    ATL-IS-N54
    Vbp6us
    Walked up to my car and this is what I saw...
  • 11
    • Replies
    11
    Views
    819
    Jeffman
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